No current to coil pack

Welcome to 2CarPros.

First, I need you to explain if the vehicle is running with a misfire or not running at all. Next, I need ECU 1 fuse is good. See picture 1

Here are a few links to help with checking the fuse:

https://www.2carpros.com/articles/how-a-car-fuse-works

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

Next, if you look at picture 2, it shows the wiring to the coils and how and where they attach to the engine control module (ECM). The green wire on the left is what runs to the fuse I want checked. Now, if the fuse is good and only one of the wires going to the ECM is not showing power, he needs to check at the ECM to see if there is a connection issue, corrosion, or a damaged wire. If power is at the ECM for the coil in question, then there is a break between the ECM and the coil. If there is no signal at the ECM, suspect ECM failure.

Let me know what you find or if you have other questions.

Take care,
Joe

Welcome back:

So you have a misfire on the other cylinders too? The P0301 is for sure cyl 1. However, if there is a coil issue, I believe cylinders 1 and 4 work from the same coil pack, so you should see a misfire on both Is that the case?

Do me a favor. I need you to confirm the coil is good. Here are the directions for testing it. The two attached pics below correlate with the directions.

____________________________________________

INSPECT IGNITION COIL

pic 1

1. Measurement of the primary coil resistance Measure the resistance between connector terminals 1 and 2 (the coils at the No.3 and No.6 cylinder sides) of the ignition coil, and between terminals 2 and 4 (the coils at the No.1 and No.4 cylinder sides), and between terminals 2 and 3 (the coils at the No.2 and No.5 cylinder sides).

Standard value: 0.74 ± 10% (Ohm)

pic 2

2. Measurement of the secondary coil resistance Measure the resistance between the high-voltage terminal for the No.3 and No.6 cylinders, between the high-voltage terminals for the No.1 and No.4 cylinders and between the high-voltage terminals for the No.2 and No.5 cylinders.

Standard value: 13.3 ± 15% (K Ohm)

CAUTION: When measuring the resistance of the secondary coil, be sure to disconnect the connector of the ignition coil.

_____________________________________

Next, of you are not getting a trigger signal from the ECM, I need you to check the pin at the ecm to confirm one isn't being sent. We may have a wire issue. If there is no trigger signal to at the ECM and the crank sensor is good, you may have a solder joint in the ECM.

DTC P0058 O2 Sensor Heater Circuit High Input (Bank2, Sensor2). Is that what was replaced? The O2 sensors?

Now, do you have a live data scanner? If so, I need you to connect it and watch the rpm signal to see if there are any crazy variations. If there are, replace the crankshaft position sensor. Here is a general link that shows how one is replaced.

https://www.2carpros.com/articles/symptoms-of-a-bad-crankshaft-sensor

https://www.2carpros.com/articles/crankshaft-angle-sensor-replacement

Picture 3 shows the sensor's position.

Let me know.

Joe

It very possibly could be related to the crank sensor. Heat plays a role when they start to fail. Let me know what you find both with the sensor, the coil, and the wiring to the coil. Even though it is new, it could be bad.

Let me know.

Joe